FORM 3
        
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
                      

1. Name and Address of Reporting Person *

Doyle Alvaro
2. Date of Event Requiring Statement (MM/DD/YYYY)
9/28/2020 

3. Issuer Name and Ticker or Trading Symbol

VICOR CORP [vicr]
(Last)        (First)        (Middle)

25 FRONTAGE RD.
4. Relationship of Reporting Person(s) to Issuer (Check all applicable)

_____ Director                          _____ 10% Owner
___X___ Officer (give title below)        _____ Other (specify below)
VP and CIO /
(Street)

ANDOVER, MA 01810      

(City)              (State)              (Zip)
5. If Amendment, Date Original Filed(MM/DD/YYYY)
 

6. Individual or Joint/Group Filing(Check Applicable Line)

_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security
(Instr. 4)
2. Amount of Securities Beneficially Owned
(Instr. 4)
3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)
4. Nature of Indirect Beneficial Ownership
(Instr. 5)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 4)
2. Date Exercisable and Expiration Date
(MM/DD/YYYY)
3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)
4. Conversion or Exercise Price of Derivative Security5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)
6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date ExercisableExpiration DateTitleAmount or Number of Shares
Non Qualified Stock Option  (1)7/21/2024 Common Stock 1276 $6.77 D  
Non Qualified Stock Option  (2)10/2/2027 Common Stock 3500 $24.15 D  
Non Qualified Stock Option  (3)6/24/2030 Common Stock 6013 $69.04 D  
Non Qualified Stock Option  (4)9/9/2030 Common Stock 3600 $84.5 D  

Explanation of Responses:
(1) 710 options are vested. The remaining 566 options vest on 7/21/2021 and 7/21/2022.
(2) Granted under the Company's Amended and Restated 2000 Stock Option and Incentive Plan on 10/2/2017 and vest over a five year period.
(3) Granted under the Company's Amended and Restated 2000 Stock Option and Incentive Plan on 6/24/2020 and vest over a five year period.
(4) Granted under the Company's Amended and Restated 2000 Stock Option and Incentive Plan on 9/9/2020 and vest over a five year period.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director10% OwnerOfficerOther
Doyle Alvaro
25 FRONTAGE RD.
ANDOVER, MA 01810


VP and CIO

Signatures
/s/Richard J. Nagel Jr. Attorney in fact for Alvaro Doyle10/6/2020
**Signature of Reporting PersonDate

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